3.2 Accounting status determines business results at Thanh Son Company Limited.
3.2.1 Main business activities:
3.2.1.1 Sales revenue accounting
a. Sales revenue summary and bookkeeping process
* Sales revenue summary table
Table 3.2: Summary table of sales and service revenue
Unit: VND
STT
Product name, goods | Unit of measure | Selling price excluding VAT | Total | |
1 | HK galvanized sheet metal (cold) | Kg | 1,600,000 | 1,600,000 |
2 | HK galvanized sheet metal (cold) | Kg | 2,200,000 | 2,200,000 |
3 | HK galvanized sheet metal (cold) | Kg | 1,400,000 | 1,400,000 |
4 | Galvanized sheet metal | Kg | 1,454,545 | 1,454,545 |
5 | Wood chip cement board 2440x1220x8mm | Plate | 1,363,636 | 1,363,636 |
6 | Wood chip cement board 2440x1220x8mm | Plate | 909.091 | 909.091 |
7 | 18mm particle board | Plate | 2,509,091 | 2,509,091 |
8 | Color coated steel | Kg | 12,377,273 | 12,377,273 |
9 | Mica 4.5l | Plate | 1,136,364 | 1,136,364 |
10 | Wood cement floor panels 1,220x2,440x16mm | Plate | 14,527,273 | 14,527,273 |
11 | Color coated steel | Kg | 2,109,091 | 2,109,091 |
12 | Aluminum ladder | Meter | 1,363,636 | 1,363,636 |
13 | Galvanized square steel | Kg | 7,395,455 | 7,395,455 |
Other | 359,766,273 | 359,766,273 | ||
TOTAL | 410,111,728 | 410,111,728 | ||
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Current Status of Cost Accounting and Business Management at Minh Vu Investment, Trade and Construction Joint Stock Company. -
Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in people's daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone company's network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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Current Status of Cost Accounting and Business Management at Huong Duong Tourism Development and Service Company Limited -
Completing the organization of accounting for revenue, sales costs and determining business results at Hai Phong Paint Joint Stock Company - 1 -
Completing revenue accounting and determining business results at Ha Lam Coal Joint Stock Company - Vinacomin - 16

Source: Accounting Department of Thanh Son Company Limited
Sales detail book
VAT invoice, receipt, credit note,...
Ledger account 511
* Bookkeeping process
General Journal
Sales summary table
Balance sheet of arising numbers
Financial report
Note:
Daily Record
Record at the end of the month or periodically Check and reconcile
b. Documents used
+ VAT invoice
+ Receipt
+ Notice of receipt
+ Sales contract
c. User account
Account 511 - Sales revenue
- Account 5111 – Sales revenue
- Account 5112 – Revenue from sales of finished products
d. Some typical operations
* On January 22, 2016, the company transported 25kg of galvanized sheet iron to PV Construction Mechanical Advertising Company Limited, the contract value was 454,545
VND, 10% VAT is VND 45,455, VAT invoice number 0000002, code TP/15P, the company has not collected the money yet.
- Original documents attached: VAT invoice number 0000002 (See Appendix 01)
- Based on VAT invoice number 0000002, accountant records Debit account 131: 500,000
Credit account 511: 454,545
Credit account 3331: 45,455
* On January 26, 2016, the company transported 336.60 kg of colored cold-rolled steel to Cuu Long Hotel, the contract value was 11,000,000 VND, 10% VAT was 1,110,000 VND, VAT invoice number 0000005, code TP/15P, the company has not collected the money yet.
- Original documents attached: VAT invoice No. 0000005 (See Appendix 01)
- Based on VAT invoice number 0000005, accountant records Debit account 131: 12,100,000
Credit account 511: 11,000,000
Credit account 3331: 1,100,000
* On January 27, 2016, the company transported 167.90 kg of colored cold rolled steel to Thanh An Trading and Service Company Limited, the contract value was 5,038,182 VND, 10% VAT was 503,818 VND, VAT invoice number 0000006, code TP/15P, the company has not collected the money yet.
- Original documents attached: VAT invoice number 0000006 (See Appendix 01)
- Based on VAT invoice number 0000006, accountant records Debit account 131: 5,420,000
Credit account 511: 5,038,182
Credit account 3331: 503,818
* On January 30, 2016, the company transported 83kg of HK galvanized sheet steel (cold) to Tuan Phuc Mechanical Company Limited, the contract value was 1,659,091 VND, 10% VAT was 165,909 VND, VAT invoice number 0000010, code TP/15P, the company has not collected the money yet.
- Original documents attached: VAT invoice number 0000010 (See Appendix 01)
- Based on VAT invoice number 0000010, accounting records
Debit account 131: 1,825,000
Credit account 511: 1,659,091
Credit account 3331: 165,909
Total revenue generated in the first quarter of 2016 was 410,111,728 VND
Transfer of sales revenue and service provision Debit account 511: 410,111,728
Credit account 911: 410,111,728
e. Accounting books
* Basis for recording
Every day when there is an economic transaction related to revenue, based on the original documents (VAT invoices, receipts, etc.), the accountant will enter it into the computer. According to the set recording order, the data will be automatically updated in the list of goods sold, detailed account 511, general journal account 511, general ledger account 5111 and related books. At the end of the period, transfer to account 911 to determine business results.
- Detailed account book 511 - Sales revenue and service provision (See Appendix 01)
- Ledger account 511 (See Appendix 01)
* Comment
Because the company's main activities are production and trade, revenue from selling products, goods and providing services is very important to the company. Therefore, recording revenue accurately, correctly and promptly is also a decisive factor for the survival of the company. It not only compensates for the costs incurred but also contributes to increasing the company's profits, increasing the company's operating efficiency, and increasing the company's competitiveness.
Revenue is recognized when the volume of products, goods, and services is determined to be consumed, that is, when they are delivered to customers or when the service is completed and paid or accepted by the customer. The basis for calculating revenue in the period is the amount recorded on the sales or service provision invoice.
As a company that applies VAT payment by deduction method, sales revenue does not include VAT.
Regarding the implementation of accounting regime: information on VAT invoices and receipts is legal, valid, and in accordance with the prescribed book form.
Regarding accounting organization: perform general journal entry, ledger entry, detailed account book 511.
3.2.1.2 Accounting for cost of goods sold
a. Summary table of cost of goods sold and recording process
Table 3.3: Summary of cost of goods sold
STT
Product name, goods | Unit of measure | Total amount | |
1 | HK galvanized sheet metal (cold) | Kg | 1,443,264 |
2 | HK galvanized sheet metal (cold) | Kg | 1,984,487 |
3 | HK galvanized sheet metal (cold) | Kg | 1,262,856 |
4 | Galvanized sheet metal | Kg | 1,324,774 |
5 | Wood chip cement board 2440x1220x8mm | Plate | 1,123,182 |
6 | Wood chip cement board 2440x1220x8mm | Plate | 898,545 |
7 | 18mm particle board | Plate | 912,000 |
8 | Wood cement floor panels 1,220x2,440x16mm | Plate | 1,278,935 |
9 | Color coated steel | Kg | 1,970,733 |
10 | Aluminum ladder | Meter | 205,263 |
11 | Galvanized square steel | Kg | 6,840,288 |
Other | 331,810,902 | ||
TOTAL | 351,055,229 | ||
Source: Accounting Department of Thanh Son Company Limited
Production and business cost book account 632
VAT invoice, warehouse delivery note, etc.
Ledger account 632
Balance sheet of arising numbers
Financial report
* Bookkeeping process
General Journal
Summary table of production costs
Note:
Daily Record
Record at the end of the month or periodically Check and reconcile
b. Documents used
+ VAT invoice
+ Warehouse delivery note
c. User account
Account 632 – Cost of goods sold
d. Some typical operations
* On January 21, 2016, the company sold to Asia Medical Equipment Company Limited 112.20 kg of color-coated cold-rolled steel, unit price 28,033.18 VND/kg, according to VAT invoice No. 0000001 and warehouse delivery note.
- Original documents attached: Warehouse delivery note No. 25 (See Appendix 02)
- Based on warehouse delivery note No. 25, accountant records: Debit 632: 3,145,323
There are 155 : 3,145,323
* On January 23, 2016, the company sold 10 4.5mm MDF boards to KWONG LUNG-MEKO LLC, unit price 67,810.2 VND/board, according to VAT invoice No. 0000003 and warehouse delivery note.
- Original documents attached: Warehouse delivery note No. 31 (See Appendix No. 02)
- Based on warehouse delivery note No. 31, accountant records: Debit 632: 678,102
There are 1561 : 678,102
* On January 26, 2016, the company sold to Cuu Long Hotel 366.60 kg of color-coated cold-rolled steel, unit price 28,033.18 VND/kg, according to VAT invoice number 0000005 and warehouse delivery note.
- Original documents attached: Warehouse delivery note No. 38 (See Appendix No. 02)
- Based on warehouse delivery note No. 38, accountant records: Debit 632: 10,276,964
There are 155 : 10,276,964
Total cost of goods sold incurred in the first quarter of 2016 was 351,055,229 VND
Transfer cost of goods sold Debit account 911: 351,055,229
Credit account 632: 351,055,229
e. Accounting books
* Basis for recording
Based on orders, VAT invoices, warehouse delivery notes, accountants enter data into the computer to calculate the cost of goods sold, the software will automatically update data into the general ledger account 632, general ledger account 632. At the end of the period, transfer to account 911 to determine business results.
- Detail book of account 632 - Cost of goods sold (See Appendix No. 02)
- Ledger account 632 (See Appendix 02)
* Comment
The company's cost of capital is determined using the weighted average method.
Cost of goods sold = Number of products sold x weighted average unit price.
Weighted average unit price = (Opening inventory value + Import value during the period) / (Opening inventory quantity + Import quantity during the period)
Regarding the implementation of accounting regime: information on VAT invoices and warehouse delivery notes must be legal, valid, and in accordance with the prescribed book form.
Regarding accounting organization: perform general journal entry, ledger entry, detailed account 632 book entry.
3.2.1.4 Accounting for cost of sales
a. Summary table of selling expenses and recording procedures
Table 3.4: Summary of selling expenses
Expense | Amount | |
1 | Depreciation of fixed assets | 1,696,429 |
2 | Payroll | 4,980,000 |
3 | Depreciation of fixed assets | 1,195,200 |
4 | Depreciation of fixed assets | 199,200 |
5 | Tool allocation | 66,400 |
Other | 15,554,649 | |
TOTAL | 23,691,878 |
Source: Accounting Department of Thanh Son Company Limited
Production and business cost book account 641
VAT invoice, receipt, credit note,...
Ledger account 641
* Bookkeeping process
General Journal
Summary table of cost of sales
Balance sheet of arising numbers
Financial report
Note:
Daily Record
Record at the end of the month or periodically Check and reconcile
b. Documents used
+ Fixed asset depreciation table
+ Tool distribution table
c. User account
Account 641 – Cost of sales
- Account 6411 – Employee costs
- Account 6414 – Fixed asset depreciation expense
- Account 6418 – Other cash expenses
d. Some typical operations
* On January 31, 2016, depreciation of fixed assets of the sales department, amount
1,696,249 VND, fixed asset depreciation table.


![Mobile Phone Usage in Hanoi Inner City Area
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- Test the relationship between demographic variables and consumer behavior for Mobile Marketing activities
The analysis method used is the Chi-square test (χ2), with statistical hypotheses H0 and H1 and significance level α = 0.05. In case the P index (p-value) or Sig. index in SPSS has a value less than or equal to the significance level α, the hypothesis H0 is rejected and vice versa. With this testing procedure, the study can evaluate the difference in behavioral trends between demographic groups.
CHAPTER 4
RESEARCH RESULTS
During two months, 1,100 survey questionnaires were distributed to mobile phone users in the inner city of Hanoi using various methods such as direct interviews, sending via email or using questionnaires designed on the Internet. At the end of the survey, after checking and eliminating erroneous questionnaires, the study collected 858 complete questionnaires, equivalent to a rate of about 78%. In addition, the research subjects of the thesis are only people who are using mobile phones, so people who do not use mobile phones are not within the scope of the thesis, therefore, the questionnaires with the option of not using mobile phones were excluded from the scope of analysis. The number of suitable survey questionnaires included in the statistical analysis was 835.
4.1 Demographic characteristics of the sample
The structure of the survey sample is divided and statistically analyzed according to criteria such as gender, age, occupation, education level and personal income. (Detailed statistical table in Appendix 6)
- Gender structure: Of the 835 completed questionnaires, 49.8% of respondents were male, equivalent to 416 people, and 50.2% were female, equivalent to 419 people. The survey results of the study are completely consistent with the gender ratio in the population structure of Vietnam in general and Hanoi in particular (Male/Female: 49/51).
- Age structure: 36.6% of respondents are <23 years old, equivalent to 306 people. People from 23-34 years old
accounting for the highest proportion: 44.8% equivalent to 374 people, people aged 35-45 and >45 are 70 and 85 people equivalent to 8.4% and 10.2% respectively. Looking at the results of this survey, we can see that the young people - youth account for a large proportion of the total number of people participating in the survey. Meanwhile, the middle-aged people including two age groups of 35 - 45 and >45 have a low rate of participation in the survey. This is completely consistent with the reality when Mobile Marketing is identified as a Marketing service aimed at young people (people under 35 years old).
- Structure by educational level: among 835 valid responses, 541 respondents had university degrees, accounting for the highest proportion of ~ 75%, 102 had secondary school degrees, ~ 13.1%, and 93 had post-graduate degrees, ~ 11.9%.
- Occupational structure: office workers and civil servants are the group with the highest rate of participation with 39.4%, followed by students with 36.6%. Self-employed people account for 12%, retired housewives are 7.8% and other occupational groups account for 4.2%. The survey results show that the student group has the same rate as the group aged <23 at 36.6%. This shows the accuracy of the survey data. In addition, the survey results distributed by occupational criteria have a rate almost similar to the sample division rate in chapter 3. Therefore, it can be concluded that the survey data is suitable for use in analysis activities.
- Income structure: the group with income from 3 to 5 million has the highest rate with 39% of the total number of respondents. This is consistent with the income structure of Hanoi people and corresponds to the average income of the group of civil servants and office workers. Those
People with no income account for 23%, income under 3 million VND accounts for 13% and income over 5 million VND accounts for 25%.
4.2 Mobile phone usage in Hanoi inner city area
According to the survey results, most respondents said they had used the phone for more than 1 year, specifically: 68.4% used mobile phones from 4 to 10 years, 23.2% used from 1 to 3 years, 7.8% used for more than 10 years. Those who used mobile phones for less than 1 year accounted for only a very small proportion of ~ 0.6%. (Table 4.1)
Table 4.1: Time spent using mobile phones
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Alid
<1 year
5
.6
.6
.6
1-3 years
194
23.2
23.2
23.8
4-10 years
571
68.4
68.4
92.2
>10 years
65
7.8
7.8
100.0
Total
835
100.0
100.0
The survey indexes on the time of using mobile phones of consumers in the inner city of Hanoi are very impressive for a developing country like Vietnam and also prove that Vietnamese consumers have a lot of experience using this high-tech device. Moreover, with the majority of consumers surveyed having a relatively long time of use (4-10 years), it partly proves that mobile phones have become an important and essential item in peoples daily lives.
When asked about the mobile phone network they are using, 31% of respondents said they are using the network of Vietel company, 29% use the network of
of Mobifone company, 27% use Vinaphone companys network and 13% use networks of other providers such as E-VN telecom, S-fone, Beeline, Vietnammobile. (Figure 4.1).
Figure 4.1: Mobile phone network in use
Compared with the announced market share of mobile telecommunications service providers in Vietnam (Vietel: 36%, Mobifone: 29%, Vinaphone: 28%, the remaining networks: 7%), we see that the survey results do not have many differences. However, the statistics show that there is a difference in the market share of other networks because the Hanoi market is one of the two main markets of small networks, so their market share in this area will certainly be higher than that of the whole country.
According to a report by NielsenMobile (2009) [8], the number of prepaid mobile phone subscribers in Hanoi accounts for 95% of the total number of subscribers, however, the results of this survey show that the percentage of prepaid subscribers has decreased by more than 20%, only at 70.8%. On the contrary, the number of postpaid subscribers tends to increase from 5% in 2009 to 19.2%. Those who are simultaneously using both types of subscriptions account for 10%. (Table 4.2).
Table 4.2: Types of mobile phone subscribers
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Prepay
591
70.8
70.8
70.8
Pay later
160
19.2
19.2
89.9
Both of the above
84
10.1
10.1
100.0
Total
835
100.0
100.0
The above figures show the change in the psychology and consumption habits of Vietnamese consumers towards mobile telecommunications services, when the use of prepaid subscriptions and junk SIMs is replaced by the use of two types of subscriptions for different purposes and needs or switching to postpaid subscriptions to enjoy better customer care services.
In addition, the majority of respondents have an average spending level for mobile phone services from 100 to 300 thousand VND (406 ~ 48.6% of total respondents). The high spending level (> 500 thousand VND) is the spending level with the lowest number of people with only 8.4%, on the contrary, the low spending level (under 100 thousand VND) accounts for the second highest proportion among the groups of respondents with 25.4%. People with low spending levels mainly fall into the group of students and retirees/housewives - those who have little need to use or mainly use promotional SIM cards. (Table 4.3).
Table 4.3: Spending on mobile phone charges
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<100,000
212
25.4
25.4
25.4
100-300,000
406
48.6
48.6
74.0
300,000-500,000
147
17.6
17.6
91.6
>500,000
70
8.4
8.4
100.0
Total
835
100.0
100.0
The statistics in Table 4.3 are similar to the percentages in the NielsenMobile survey results (2009) with 73% of mobile phone users having medium spending levels and only 13% having high spending levels.
The survey results also showed that up to 31% ~ nearly one-third of respondents said they sent more than 10 SMS messages/day, meaning that on average they sent 1 SMS message for every working hour. Those with an average SMS message volume (from 3 to 10 messages/day) accounted for 51.1% and those with a low SMS message volume (less than 3 messages/day) accounted for 17%. (Table 4.4)
Table 4.4: Number of SMS messages sent per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
142
17.0
17.0
17.0
3-10 news
427
51.1
51.1
68.1
>10 news
266
31.9
31.9
100.0
Total
835
100.0
100.0
Similar to sending messages, those with an average message receiving rate (from 3-10 messages/day) accounted for the highest percentage of ~ 55%, followed by those with a high number of messages (over 10 messages/day) ~ 24% and those with a low number of messages received daily (under 3 messages/day) remained at the bottom with 21%. (Table 4.5)
Table 4.5: Number of SMS messages received per day
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
<3 news
175
21.0
21.0
21.0
3-10 news
436
55.0
55.0
76.0
>10 news
197
24.0
24.0
100.0
Total
835
100.0
100.0
When comparing the data of the two result tables 4.4 and 4.5, we can see the reasonableness between the ratio of the number of messages sent and the number of messages received daily by the interview participants.
4.3 Current status of SMS advertising and Mobile Marketing
According to the interview results, in the 3 months from the time of the survey and before, 94% of respondents, equivalent to 785 people, said they received advertising messages, while only a very small percentage of 6% (only 50 people) did not receive advertising messages (Table 4.6).
Table 4.6: Percentage of people receiving advertising messages in the last 3 months
Frequency
Ratio (%)
Valid Percentage
Cumulative Percentage
Valid
Have
785
94.0
94.0
94.0
Are not
50
6.0
6.0
100.0
Total
835
100.0
100.0
The results of Table 4.6 show that consumers in the inner city of Hanoi are very familiar with advertising messages. This result is also the basis for assessing the knowledge, experience and understanding of the respondents in the interview. This is also one of the important factors determining the accuracy of the survey results.
In addition, most respondents said they had received promotional messages, but only 24% of them had ever taken the action of registering to receive promotional messages, while 76% of the remaining respondents did not register to receive promotional messages but still received promotional messages every day. This is the first sign indicating the weaknesses and shortcomings of lax management of this activity in Vietnam. (Table 4.7)
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